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New device provides life-saving data to stroke doctors

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Stroke doctors could have access to new MRI tech

When patients exhibit stroke symptoms, doctors must quickly make a life or death determination: Are their symptoms caused by a clot that can be treated with blood thinners or by bleeding in the brain, which may require surgery?

A new study shows that a portable MRI device can help identify such intracranial haemorrhages, potentially life-saving information particularly in areas or scenarios where access to sophisticated brain imaging scans are not readily available.

“There is no question this device can help save lives in resource-limited settings, such as rural hospitals or developing countries,” said Kevin Sheth, professor of neurology and neurosurgery at Yale School of Medicine and co-corresponding author of the research.

“There is also now a path to see how it can help in modern settings. It is of critical importance to continue to collect more data across a range of stroke characteristics so that we can maximise the potential benefit of this approach.”

For the study, the research team examined the efficacy of a device known as the Portable Point-of-Care MRI system. According to researchers, it can be wheeled down a hospital hallway, costs a fraction of traditional MRI technologies, and can be used almost anywhere by medical technicians with even minimal training.

It was developed by Hyperfine Research Inc, part of US medical technology incubator 4Catalyzer.

Researchers compared the results of portable MRI scans of 144 patients at Yale New Haven Hospital with results obtained from traditional neuroimaging scans. Specifically, the portable MRI was used to scan brain injury patients at the bedside.

Neuroradiologists interpreting images acquired by Hyperfine’s portable MRI correctly identified 80 per cent of intracerebral haemorrhages.

The study is the first to validate the appearance and clinical implications of a brain hemorrhage using a portable MRI device.

Sheth and his team are also investigating the potential of portable MRI technologies in helping diagnose and monitor head trauma and brain tumors, and to assess brain health in people with risk factors such as high blood pressure.

Researchers from Hyperfine also contributed to the paper. The research was primarily funded by the American Heart Association, the National Institutes of Health, and Hyperfine Research.

The results were published in the journal Nature Communications.

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